manufacturers keep changing the chemicals in order to skirt the law. >> i am beyond frustrated. >> other shop owners say spice is ruining the downtown. >> it has been horrible. it is like a drive through. it is the spice drive through. >> they say customers loiter and smoke the drug in front of their shop. >> they're making a choice to purchase it. >> the owner has collected hundreds of signatures from people supporting his right to sell it. including bankers and an fbi agent. the store said its own policy of selling the drug to adults who show id. >> moments after buying some spice, these adult brothers share their struggle. >> if you do not have your world is ending. it is a very addictive. he uses it everyday. >> while it is legal it does not mean it is harmless. frederick memorial hospital has seen a significant jump in emergency room patients as young as middle schoolers because of spice. >> we're not sure what it is. >> police and lawmakers are working on a better way to ban the drug. >> i would like to see this go away. >> crier river. build a bridge and get over it. >> they're ex